420180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 1209600

約数和(自身を除く): 789420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 149, 188, 235, 282, 298, 447, 470, 564, 596, 705, 745, 894, 940, 1410, 1490, 1788, 2235, 2820, 2980, 4470, 7003, 8940, 14006, 21009, 28012, 35015, 42018, 70030, 84036, 105045, 140060, 210090, 420180]

約数ペア:

[(1, 420180), (2, 210090), (3, 140060), (4, 105045), (5, 84036), (6, 70030), (10, 42018), (12, 35015), (15, 28012), (20, 21009), (30, 14006), (47, 8940), (60, 7003), (94, 4470), (141, 2980), (149, 2820), (188, 2235), (235, 1788), (282, 1490), (298, 1410), (447, 940), (470, 894), (564, 745), (596, 705)]